Home / 14,422.23-19,904.58-8,456.22

Finding the Fourth Proportional to 14,422.23, 19,904.58 and 8,456.22

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Solution

The fourth proportional to 14,422.23, 19,904.58 and 8,456.22 is: 11,670.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,422.23 : 19,904.58 = 8,456.22 : x
  2. Step 2: Convert to fraction form
    14,422.23/19,904.58 = 8,456.22/x
  3. Step 3: Cross multiply
    14,422.23x = 19,904.58 × 8,456.22
  4. Step 4: Simplify right side
    14,422.23x = 168,317,507.49
  5. Step 5: Solve for x
    x = 168,317,507.49/14,422.23
  6. Step 6: Final answer
    x = 11,670.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.